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. 2018 Feb 5;8:2414. doi: 10.1038/s41598-018-20543-6

Table 1.

List of main functions and parameters used in our general hybridization model.

Notation Definition
List of functions
 Ni Number of adult individuals of phenotypic class i
 Mij Mating probability between phenotypic classes i and j
 bij,k Number of mating i x j resulting in offspring of type k
 Cij,k Probability of mating i x j to produce offspring of types k
 ωi Effect of inherited characters on fitness of individuals of class i
 ρAa,i Probability of class i to be heterozygous for the allele “A”
 nk Total number of offspring of class k
Demographic parameters *
 K Carrying capacity
 r Growth rate per capita
 α Competition
Intercross parameters
 nL Number of independent biallelic loci
 γ Interspecific success rate
 ΩA Relative fitness of allele “A” in relation to the alternative form “a
 εA Dominance degree of the allele “A

*Demographic parameter values of carrying capacity and growth rate were fixed according to previous simulations based on a 40-years survey of mallards (K = 118.8, r = 1.3) (see42).